Wendelboe

TL2 Member · Wakefield, UK

Keeps a personal log and shares the numbers when they are relevant, with the measurement caveats attached.

Joined 11 July 2025 · last posted 2d

95 posts, newest first. Showing up to 150.

[2026 update] Travelling with an injectable: documentation and practicalities Replied, post #110 · Access › International · 26 Jul 2026 · 2 likes Answering the question post #106 raises rather than the one it answers. The most useful thing anyone can add to a thin regional thread is what the official source says…
What is genuinely unknown about long-term amylin agonism Replied, post #58 · Compounds › Cagrilintide & amylin analogues · 19 Jul 2026 · 16 likes The arithmetic in post #57 is right; the assumption feeding it is the part to check. Cagrilintide molecular characteristics: it is a synthetic amylin analogue,…
Why the absence of controlled human data on BPC-157 matters more than people admit Replied, post #61 · Compounds › Repair & healing peptides · 17 Jul 2026 · 0 likes The arithmetic in post #58 is right; the assumption feeding it is the part to check. Mechanistic accounts in this area run well ahead of the outcome data. Angiogenesis…
Follow-up: How compounding permissions changed when supply normalised Replied, post #28 · Sourcing › Regulatory · 16 Jul 2026 · 26 likes Where the compounding permissions reasoning breaks down for me is the step from the group result to the individual case. That step is almost never argued for.
Why a glucagon receptor agonist in a weight-loss compound is not a contradiction Replied, post #33 · Compounds › Retatrutide · 13 Jul 2026 · 0 likes Narrowing post #30, because the general version has more than one answer. The failure mode on glucagon receptor agonist is boring rather than dramatic. It is almost…
How shortages have affected compounding permissions Replied, post #33 · Access › Shortages · 12 Jul 2026 · 0 likes Stockpiling in response to a shortage worsens it, which is true and is a poor argument to make to somebody who has run out. Happy to expand any of that if it is the…
Why retatrutide discussion here is more cautious than elsewhere — one year on Replied, post #53 · Compounds › Retatrutide · 11 Jul 2026 · 1 like Retatrutide discussion has a well-known answer and a correct answer, and the interesting work is establishing that they are the same. Nobody has done that here yet.
Journal club: what we got wrong in an earlier session Replied, post #71 · Evidence › Journal club · 10 Jul 2026 · 6 likes Sessions on negative or null results are consistently the most instructive and the hardest to get anyone to attend.
Muscle cramps: the ordinary causes before the exotic ones — a second dataset Replied, post #40 · Practice › Side effects · 9 Jul 2026 · 16 likes Second-hand on Muscle cramps, so weight it accordingly — someone whose method I trust told me this and I have not verified it myself.
Journal club: orforglipron phase 2 and the non-peptide question Replied, post #115 · Evidence › Journal club · 9 Jul 2026 · 14 likes Orforglipron phase 2 was covered in the wiki last year and the page has a review date on it, which is a better starting point than my memory of a thread.
Submitting a sample: the process end to end Replied, post #54 · Sourcing › Independent verification · 2 Jul 2026 · 21 likes Submitting a sample is worth one more sentence than it usually gets, and the sentence is the one about how the number was arrived at.
Tracking a shortage from primary sources rather than rumour Replied, post #74 · Access › Shortages · 28 Jun 2026 · 2 likes Shortage status determines what compounding is permitted in some jurisdictions, which links two questions that otherwise seem unrelated.
Ultrasound and skinfolds: operator dependence in practice Replied, post #20 · Outcomes › Body composition · 17 Jun 2026 · 6 likes I had written a reply contradicting post #18 and deleted it. Here is what survived. Ultrasound: thickness of subcutaneous fat at specific sites. Less standardised than…
Electrolyte supplements: which ones do anything Replied, post #26 · Nutrition & Training › Hydration & electrolytes · 8 Jun 2026 · 1 like The arithmetic on electrolyte supplements is the easy part and it is where the errors are, which is an uncomfortable combination. Show your working and someone will…
A reconstituted vial's beyond-use date and the reasoning behind common figures Replied, post #101 · Practice › Storage & stability · 8 Jun 2026 · 16 likes Clear enough that I do not think I have a follow-up, which is unusual.
Revisiting: Mean kinetic temperature explained without the mathematics Replied, post #56 · Practice › Storage & stability · 1 Jun 2026 · 6 likes Answering the question post #53 raises rather than the one it answers. Clarity is a weak test. A solution can lose a significant fraction of its active content to…
A 40-week log with the measurement method stated — does this still hold? Replied, post #6 · Outcomes › Progress reports · 28 May 2026 · 0 likes Weighing daily and reporting weekly is a better protocol than weighing weekly, because it separates the measurement frequency from the reporting frequency.
Personal or family history of medullary thyroid carcinoma — what changed since Replied, post #43 · Safety › Contraindications · 19 May 2026 · 5 likes Medullary thyroid carcinoma (personal or family history) or multiple endocrine neoplasia type 2: absolute contraindication. The rodent preclinical signal is real enough…
Peak-to-trough ratio at steady state for a weekly agent — the long version Replied, post #3 · Pharmacology › Pharmacokinetics · 12 May 2026 · 3 likes Loading doses are not used in this class and the pharmacokinetic reason is tolerability rather than efficacy. A loading dose would reach steady state faster and would…
Pinch or no pinch, and how needle length changes the answer — the long version Replied, post #57 · Practice › Administration · 11 May 2026 · 1 like Noted, and thank you for writing it out rather than summarising it.
Foaming during reconstitution and whether it matters — the long version Replied, post #108 · Practice › Reconstitution · 22 Apr 2026 · 0 likes On post #105 — agreed on the reasoning, with one qualification. On Foaming during reconstitution the community has more anecdote than the confidence in this thread…
Why this subcategory is stricter about sourcing than most Replied, post #21 · Compounds › Secretagogues & GH axis · 22 Apr 2026 · 0 likes A mass result for a short peptide is more discriminating than for a long one, because a single residue difference is a larger proportion of the total. That makes…
Converting between mg/mL and units per dose, both directions — the long version Replied, post #26 · Practice › Reconstitution · 19 Apr 2026 · 18 likes Swirling until fully clear before drawing is worth the extra minute. A partially dissolved preparation is not uniform and the first dose out of it is not the same as…
Anaesthesia and elective surgery: the aspiration question Replied, post #71 · Practice › Interactions · 2 Apr 2026 · 0 likes A note on scope: what I am saying about anaesthesia and elective surgery applies to the case in the first post and I would not extend it further without checking.
Which panel is worth repeating and which is worth ignoring — a second dataset Replied, post #111 · Clinical › Bloodwork · 26 Mar 2026 · 0 likes Narrowing post #109, because the general version has more than one answer. Nothing in this subcategory is medical advice, and a panel with an unexpected result is…
Why "dose equivalence" between different incretin analogues is a weak concept Replied, post #4 · Practice › Dosing & titration · 14 Feb 2026 · 20 likes Understood, and I withdraw the assumption I opened with.
Why a compound being unapproved is not the same as being illegal to possess Replied, post #58 · Sourcing › Regulatory · 11 Feb 2026 · 0 likes Nothing in this subcategory is legal advice, and the members who work in regulated environments are the most careful to say so.
Price changes over 2025 and 2026, tabulated and dated — does this still hold? Replied, post #86 · Access › Pricing · 11 Feb 2026 · 18 likes Reading back through, this was answered upthread and I missed it. My fault.
Seven-day rolling means and why weekly readings mislead — one year on Replied, post #11 · Outcomes › Progress reports · 6 Feb 2026 · 22 likes That matches what I have seen, for whatever a single anecdote is worth.
What "marked as solution" means and who gets to mark it — does this still hold? Replied, post #33 · Start Here › Welcome · 20 Jan 2026 · 0 likes Marked solutions are the site's way of saying that someone asked a good question and someone else gave an answer that actually worked. It is not a competition and it…
Muscle cramps: the ordinary causes before the exotic ones Replied, post #32 · Practice › Side effects · 15 Jan 2026 · 1 like Post #30 describes the usual case. This is about the unusual one. Muscle cramps looks different depending on whether you are reading the primary literature or the…
Pre-registering a personal experiment, seriously — a second dataset Replied, post #19 · Research Methods › N-of-1 designs · 10 Jan 2026 · 6 likes Taking Pre-registering a personal experiment seriously for a moment rather than deflecting: the honest position is that the community has observations and no controlled…
A partial dose because the pen emptied mid-injection Replied, post #38 · Practice › Administration · 8 Jan 2026 · 3 likes A note on scope: what I am saying about partial dose because the pen applies to the case in the first post and I would not extend it further without checking.
Warfarin and altered intake: the monitoring argument — the long version Replied, post #85 · Practice › Interactions · 8 Jan 2026 · 0 likes Anticoagulants: no direct interaction with the compounds in this class. Weight loss and body composition changes might affect the clearance or effect of warfarin if you…
Second pass at: The topic list is dense — is that deliberate? Replied, post #23 · Meta › Site feedback · 19 Dec 2025 · 5 likes The counter-argument is that a review date on a topic implies a maintenance promise nobody has made. A document carries one because somebody signed up to it.
Second pass at: Adsorptive losses at low concentration, and why dilute solutions are… Replied, post #3 · Practice › Storage & stability · 18 Dec 2025 · 0 likes Adsorptive losses came up in a thread eighteen months ago and was answered well. I cannot find it, which is itself the problem, so here is the reconstruction.
Tracking a preprint to publication: a worked example Replied, post #115 · Evidence › Preprints · 11 Dec 2025 · 0 likes Posting my tracking a preprint numbers with the method attached so they can be discounted properly. Uncontrolled, unblinded, and collected by someone who wanted a…
Tracking a preprint to publication: a worked example Replied, post #80 · Evidence › Preprints · 8 Dec 2025 · 14 likes A preprint that has been up for two years without appearing in a journal is telling you something, and it is not necessarily that the work is bad. That is the honest…
Persistent vomiting and the threshold for seeking help Replied, post #79 · Safety › Adverse events · 30 Nov 2025 · 0 likes The most useful contribution to this subcategory is a completed account: what happened, what was done, and what the outcome was. A modest claim, modestly supported.
Revisiting: Review: an evidence digest and the citation check that delayed it Replied, post #32 · Documentation › Doc review · 21 Nov 2025 · 8 likes I read post #28 twice before replying, because I had assumed the opposite. I would call the community position on evidence digest likely rather than established, and I…
Long-time reader, first-time poster Replied, post #20 · Lounge › Introductions · 18 Nov 2025 · 0 likes The version of long-time reader that circulates here is a simplification of a simplification. It is not wrong, but it has lost the conditions under which it holds, and…
Pen dose counters: what a click does and does not guarantee Replied, post #37 · Devices › Pens & autoinjectors · 15 Nov 2025 · 0 likes Priming exists because the needle and the cartridge path contain air after a needle change. Skipping it means the first fraction of the dose is not liquid. Noting that…
What a purity-only report leaves out Replied, post #85 · Sourcing › Independent verification · 13 Nov 2025 · 32 likes Narrowing post #84, because the general version has more than one answer. Purity-only came up in a thread eighteen months ago and was answered well. I cannot find it,…
Half-life, steady state, and accumulation worked through — a second dataset Replied, post #15 · Pharmacology › Pharmacokinetics · 7 Nov 2025 · 9 likes I have been on both sides of the Half-life argument in this category within eighteen months, which should tell you how strong the evidence for either side is.
Why oral semaglutide needs an absorption enhancer at all Replied, post #46 · Compounds › Oral incretins · 1 Nov 2025 · 0 likes The arithmetic in post #43 is right; the assumption feeding it is the part to check. The version of oral semaglutide that I was taught turned out to be a teaching…
What a purity-only report leaves out Replied, post #66 · Sourcing › Independent verification · 30 Oct 2025 · 7 likes I had written a reply contradicting post #64 and deleted it. Here is what survived. Purity-only looks different depending on whether you are reading the primary…
What happens after your first post: likes, trust levels, and why none of it matters much… Replied, post #90 · Start Here › Welcome · 21 Oct 2025 · 24 likes The Lounge is a real category rather than a dumping ground. The sourcing rule still applies there, which surprises people, but the register is looser and nobody minds a…
"Greater than or equal to 99%" as a specification rather than a result Replied, post #41 · Analytics › COA interpretation · 25 Sep 2025 · 23 likes An itemised related-substances table with retention times says considerably more about the synthesis than a single total. A total tells you how much is not the main…
Documentation that appears only after payment Replied, post #26 · Sourcing › Red flags · 16 Sep 2025 · 13 likes Two claims get bundled together under documentation and they need separating. The descriptive one — this is what was observed — is usually well supported. The causal…
Hypertension improvement and when medication needs revisiting Replied, post #61 · Clinical › Comorbidities · 15 Sep 2025 · 0 likes One caution on hypertension improvement: everything above assumes the underlying documentation is what it claims to be. That assumption is doing real work and is rarely…
Aggregated purity results across four services, with caveats — a second dataset Replied, post #17 · Data & Tools › Datasets · 6 Sep 2025 · 13 likes Adding the measurement that post #16 says would settle it. What I want from this Aggregated purity results across four thread is the list of things that would need to…
Thyroid function tests during substantial weight change Replied, post #48 · Clinical › Bloodwork · 1 Sep 2025 · 0 likes Post #46 put the caveat in the right place and I want to underline it. Fasting state: some lab tests require fasting; others do not. Lipids on a fasting draw differ…
Coming back to: Why quantitation is the hard part, not detection Replied, post #59 · Analytics › Home & field testing · 1 Sep 2025 · 3 likes No disagreement from me. Posting only so the question does not look ignored.
What a regulator's shortage notice actually authorises — what changed since Replied, post #5 · Sourcing › Regulatory · 31 Aug 2025 · 23 likes A regulator's public assessment report is usually the single best free source on a compound's evidence base, and it is almost never cited here. This is the version I…
Are there stupid questions here? A staff answer, at length Replied, post #129 · Start Here › Welcome · 30 Aug 2025 · 1 like The Lounge is a real category rather than a dumping ground. The sourcing rule still applies there, which surprises people, but the register is looser and nobody minds a…
Second pass at: What "verified" means on our vendor pages, stated narrowly Replied, post #10 · Sourcing › Vendor reports · 26 Aug 2025 · 28 likes What "verified" means on our pages: specific lots were independently measured on stated dates by named services and results were consistent with the supplier's…
A parcel that arrived warm: a decision process, not a verdict Replied, post #13 · Practice › Storage & stability · 25 Aug 2025 · 16 likes Confirming post #10 from a second method, which matters more than confirming it from a second person. Clarity is a weak test. A solution can lose a significant fraction…
Second pass at: Why this subcategory is stricter about sourcing than most Replied, post #65 · Compounds › Secretagogues & GH axis · 15 Aug 2025 · 18 likes Research-use-only secretagogues are not approved for human use. That statement is doing real work in this subcategory, where the published evidence base is thinner than…
Follow-up: The decimal-point error, and the habit that catches it Replied, post #41 · Practice › Reconstitution · 13 Aug 2025 · 0 likes Appreciated. The plain phrasing does more work here than a longer post would.
Tirzepatide in type 2 diabetes: the SURPASS programme, summarised honestly Replied, post #162 · Compounds › Tirzepatide · 11 Aug 2025 · 0 likes The titration schedule has more steps than semaglutide's, which reflects the finer gradation used in the clinical programme rather than a pharmacological requirement…
Are there stupid questions here? A staff answer, at length Replied, post #56 · Start Here › Welcome · 9 Aug 2025 · 0 likes The Lounge is a real category rather than a dumping ground. The sourcing rule still applies there, which surprises people, but the register is looser and nobody minds a…
Travel coolers and how long they really hold Replied, post #51 · Devices › Cold chain · 5 Aug 2025 · 27 likes The most useful reply I ever got about travel coolers was a request to state my units. It sounds like pedantry and it has saved me twice.
Revisiting: GLP-1 receptor distribution: central and peripheral Replied, post #23 · Pharmacology › Receptor biology · 3 Aug 2025 · 4 likes Cross-reactivity and selectivity: the compounds are not perfectly selective for their target receptors. Semaglutide has some activity on other receptors; tirzepatide…
Titles that describe the question, not the situation Replied, post #58 · Start Here › How to Ask · 28 Jul 2025 · 8 likes Questions you cannot explain: "I cannot say why I am asking this, but is this compound stable at room temperature?" is more productive than no question at all. People…
Coming back to: Cross-border purchase rules within the EU Replied, post #12 · Regional › European Union · 12 Jul 2025 · 23 likes A request rather than an answer: could whoever has the primary source for Cross-border purchase rules within post it? I have seen the claim three times this month and…
Coming back to: Nausea profile of amylin analogues compared with GLP-1 agonists Replied, post #21 · Compounds › Cagrilintide & amylin analogues · 7 Jul 2025 · 28 likes This follows post #18 rather than contradicting it. What is genuinely unknown about long-term amylin agonism: real-world response rates, whether effect is durable with…
Why fasting instructions for oral semaglutide are not optional advice — does this still… Replied, post #56 · Compounds › Oral incretins · 30 Jun 2025 · 19 likes Narrowing post #55, because the general version has more than one answer. The thirty-minute wait before eating is not conservatism. Food in the stomach materially…
Coming back to: Official shortage notices and what they authorise Replied, post #41 · Access › Shortages · 27 Jun 2025 · 13 likes Regional differences during a shortage are large, and a supply position in one country says nothing about another.
An emergency department visit, described afterwards Replied, post #34 · Safety › Adverse events · 23 Jun 2025 · 15 likes Practical answer on emergency department visit, since the theoretical one is upthread: do the simplest check first, write down the result, and only then decide whether…
[2026 update] An appeal that failed, and what I would do differently Replied, post #87 · Access › Insurance & coverage · 12 Jun 2025 · 0 likes Narrowing post #84, because the general version has more than one answer. Where I would push back on the appeal consensus is the confidence, not the direction. The…
Journal club: SURMOUNT-1, read without the press release Replied, post #135 · Evidence › Journal club · 11 Jun 2025 · 0 likes Sessions on negative or null results are consistently the most instructive and the hardest to get anyone to attend.
A supplier that answers analytical questions with restated claims Replied, post #90 · Sourcing › Red flags · 4 Jun 2025 · 0 likes Where I part company with post #88, and it is a narrow parting. An observation about supplier that I cannot explain and am posting anyway, on the principle that…
TB-500 and thymosin beta-4: the fragment versus the protein Replied, post #26 · Compounds › Repair & healing peptides · 30 May 2025 · 7 likes Reported local reactions are common enough in first-hand accounts here to be worth mentioning and are not characterised in any published series. Worth reading the…
Requesting a translation of an existing page Replied, post #19 · Documentation › Wiki requests · 20 May 2025 · 29 likes A request that says what the page should not cover is unusually helpful, because scope creep is what kills these. The right answer here may simply be that it has not…
Validating a calculator against hand arithmetic — what changed since Replied, post #73 · Data & Tools › Calculators · 17 May 2025 · 0 likes The calculators maintained on this site are open-source and verifiable. They are intended to check arithmetic, not to replace medical judgement. Using them is optional…
Follow-up: What other technical communities get right that we do not Replied, post #97 · Lounge › Off topic · 14 May 2025 · 1 like Lower-stakes conversation that does not belong in the technical categories. Still civil, still sourced when a claim is made, but the bar for relevance is lower. Anyone…
Publishing an inconvenient result: a case study Replied, post #18 · Sourcing › Independent verification · 10 May 2025 · 0 likes Understood, and I withdraw the assumption I opened with.
How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ Replied, post #47 · Sourcing › Independent verification · 4 May 2025 · 3 likes Filing a mild objection to the consensus on Janoshik. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit.
[2026 update] Cardiovascular risk: reading the outcome trials as a set Replied, post #25 · Clinical › Comorbidities · 29 Apr 2025 · 2 likes I would keep Cardiovascular risk and the decision it usually gets used for separate in this thread. They are related and they are not the same question, and merging…
Publishing an inconvenient result: a case study Replied, post #6 · Sourcing › Independent verification · 8 Apr 2025 · 27 likes Everything in post #4 holds. The case it does not cover is the one I have. The most useful reply I ever got about publishing an inconvenient result was a request to…
Scheduled maintenance and what will be unavailable Replied, post #91 · Meta › Announcements · 30 Mar 2025 · 0 likes For anyone finding this later: the short answer on scheduled maintenance is that it depends on one thing, and the rest of the thread is people identifying which thing.
Pharmaceutical compounding rules, summarised from primary sources Replied, post #113 · Sourcing › Regulatory · 4 Mar 2025 · 13 likes I had written a reply contradicting post #111 and deleted it. Here is what survived. Pharmaceutical compounding rules is a good example of a question where the honest…
What we do not know about retatrutide, listed explicitly Replied, post #72 · Compounds › Retatrutide · 27 Jan 2025 · 29 likes Heart rate increased in a dose-dependent way in the phase 2 work. That is not a footnote — it is one of the specific things phase 3 exists to characterise, and it is…
Research-use-only status: what it means legally and practically — a second dataset Replied, post #69 · Compounds › Other compounds · 21 Jan 2025 · 0 likes Helpful, and short, which on this subject is harder than long.
Fixed versus detachable needles: the trade-offs Replied, post #122 · Devices › Syringes & needles · 19 Jan 2025 · 31 likes That is consistent with mine, for whatever one more account is worth.
Building a sensible monitoring schedule with your prescriber Replied, post #28 · Clinical › Bloodwork · 19 Dec 2024 · 0 likes A trend needs at least three points to be a trend. Two points are a line and a line through noise is still a line. I am confident about the direction and much less…
Why "any advice?" is the least effective ending for a post Replied, post #93 · Start Here › How to Ask · 1 Dec 2024 · 15 likes Units. Everything needs units. This is why we ask every single time. I have seen the same arithmetic done three different ways depending on whether the person was…
Second pass at: A field-by-field walk through a certificate of analysis Replied, post #133 · Analytics › COA interpretation · 28 Nov 2024 · 20 likes Post #131 put the caveat in the right place and I want to underline it. Field-by-field walk through a certificate is one of those subjects where the general answer and…
Revisiting: Moderation log format change Replied, post #22 · Meta › Announcements · 9 Nov 2024 · 4 likes Implementation timeline: announcements include when a change takes effect. Marking the date helps you know whether the change is already in effect.
Hypertension improvement and when medication needs revisiting — a second dataset Replied, post #128 · Clinical › Comorbidities · 29 Oct 2024 · 5 likes Marking my uncertainty on Hypertension improvement explicitly. I am confident about the direction, much less confident about the size, and not confident at all that it…
Requesting a page: what makes a good request — what changed since Replied, post #125 · Documentation › Wiki requests · 13 Oct 2024 · 28 likes Name a willing maintainer in the request. Point three of the criteria stops more nominations than the other three combined.
Correlation in a self-tracked dataset: what it can support Replied, post #28 · Research Methods › Statistics · 21 Aug 2024 · 0 likes If someone has run correlation properly I would rather read that than my own reconstruction of it. Posting mine only because the thread has gone quiet.
The mass-error checker and its intended scope Replied, post #141 · Data & Tools › Calculators · 21 Jul 2024 · 1 like Posting my mass-error checker numbers with the method attached so they can be discounted properly. Uncontrolled, unblinded, and collected by someone who wanted a…
Pen wastage and its effect on real cost Replied, post #4 · Access › Pricing · 28 Jun 2024 · 3 likes Wastage from a concentration choice that leaves an unusable remainder is a real cost and is invisible in a per-milligram figure.
Assessing a warm arrival: the decision process — one year on Replied, post #133 · Sourcing › Logistics · 2 Jun 2024 · 6 likes Post #131 and I disagree about the size of the effect, not about the direction. Documentation after arrival: photograph the parcel and its contents on arrival. If…